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Extensive Range
Stratco produces an extensive purlin range with eight web heights and six thickness combinations, from 75mm to massive 400mm purlins capable of impressive spans. Fascia purlins are also available in the larger sizes. The following table shows the thicknesses available:
Web Depth in Millimeters
Thickness 75 100 150 200 250 300 350 400
1.0mm
1.2mm
1.5mm
1.9mm
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2.4mm
3.0mm
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Technical Details Profiles
C Section Purlin
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Z Section Purlin
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Material Properties
Material Properties (MPa)
C Section
Size
Z Section
Size
Yield Stress
fy
Ult. Tensile
Strength fu
75-95 - 550 550
75-12 - 500 520
75-15 - 450 480
100-10 100-10 550 550
100-12 100-12 500 520
100-15 100-15 450 480
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100-19 100-19 450 480
100-24 100-24 450 480
150-10 150-10 550 550
150-12 150-12 500 520
150-15 150-15 450 480
150-19 150-19 450 480
150-24 150-24 450 480
200-12 200-12 500 520
200-15 200-15 450 480
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200-19 200-19 450 480
200-24 200-24 450 480
250-15 250-15 450 480
250-19 250-19 450 480
250-24 250-24 450 480
300-24 300-24 450 480
300-30 300-30 450 480
350-24 350-24 450 480
350-30 350-30 450 480
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400-24 400-24 450 480
400-30 400-30 450 480
Dimensions
Dimensions
t
mm
D
mm
Z Section C Section
L
mm
Mass
kg/m E
mm
F
mm
B
mm
0.95 75 - - 40 10.0 1.26
1.2 75 - - 40 10.7 1.59
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1.5 75 - - 40 11.4 1.97
1.0 102 53 49 51 12.5 1.77
1.2 102 53 49 51 12.5 2.10
1.5 102 53 49 51 13.5 2.61
1.9 102 53 48 51 14.5 3.29
2.4 102 53 48 51 15.0 4.13
1.0 152 65 61 64 14.5 2.42
1.2 152 65 61 64 15.0 2.89
1.5 152 65 61 64 16.0 3.58
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1.9 152 65 61 64 17.0 4.51
2.4 152 66 60 64 18.5 5.67
1.2 203 79 74 76 15.0 3.62
1.5 203 79 74 76 16.0 4.49
1.9 203 79 73 76 19.0 5.73
2.4 203 79 74 76 21.0 7.20
1.5 254 79 74 76 18.0 5.16
1.9 254 79 74 76 19.0 6.50
2.4 254 79 73 76 20.5 8.16
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2.4 300 100 93 96 28.0 10.09
3.0 300 100 93 96 31.5 12.68
2.4 350 129 121 125 29.0 12.20
3.0 350 129 121 125 30.0 15.19
2.4 400 129 121 125 28.0 13.16
3.0 400 129 121 125 30.0 16.39
Web Depth in Millimeters
Thickness 75 100 150 200 250 300 350 400
1.0mm
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1.2mm
1.5mm
1.9mm
2.4mm
3.0mm
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Installation Details
Typical Assemblies
A
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B
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C
A - Angle connector and Clamp Plate being used to anchor a C Section to a concrete slab floor. B - Typical 90° connection using a General Purpose Bracket. C - Simple connection to the open face of a C Section using an Angle connector and Clamp Plate.
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Lapping
Figure 1
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Figure 2
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Fastening to Cleats
Hole Punching and Cleat Detail
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Cleat Nominal Dimensions (mm)
Nom. Sec. Size X B Y Gap DH
100 40 40 110 10 18
150 60* 55** 145 10 18
200 110 55 195 10 18
250 160 55 245 10 18
300 210 65 305 20 22
350 260 65 355 20 22
400 310 65 405 20 22
Note: When using downturn lip purlins or girts, dimension B and Y must be increased by the length of the lip.
* 70mm in Victoria ** 50mm in Victoria
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Z Purlin Standard*
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Z Girt Standard
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Z Girt Optional
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C Purlin Standard*
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Z Girt Standard
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Z Girt Optional
* Z and C Section purlins must have the top flange pointing up the slope to minimise rotation.
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Bridging Components
A Locking End
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B Receiving End
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C Bolted End
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D Fascia Bracket
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Bridging Assemblies
E Ridge Bridging
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F Ridge Bridging Strut
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G Intermediate Bridging Strut
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H Turnbuckle
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I Adjustable Fascia Bridging
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J Girt Hanger
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K Girt Foot
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L Tie Rod
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Bridging Configurations